Abstract

In the title compound, C14H9F3N2O, the best planes of the benzimidazole group and benzene ring form a dihedral angle of 26.68 (3)°. In the crystal, N—H⋯N hydrogen bonds link the mol­ecules into infinite chains parallel to the c axis. Stacking inter­actions between the benzimidazole groups [centroid–centroid distance = 3.594 (5) Å] assemble the mol­ecules into layers parallel to (100). The trifluoro­methyl group is disordered over three sets of sites with site-occupancy factors of 0.787 (4), 0.107 (7) and 0.106 (7).

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